M 7.4 - San Juan, Argentina
- 1977-11-23 09:26:24 (UTC)
- 31.028°S 67.767°W
- 13.0 km depth
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- ShakeMap
IXmmi 
Estimated Intensity Map Origin - Review Status
- REVIEWED
- Magnitude
- 7.4 ms
- Depth
- 13.0 km
- Time
- 1977-11-23 09:26:24 UTC
Focal Mechanism Fault Plane Solution View Nearby Seismicity - Time Range
± Three Weeks - Search Radius
250.0 km - Magnitude Range
≥ 4.0
Contributors US
USGS National Earthquake Information Center, PDE